164379880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1549}}^1$

素因数の和:1946

約数の個数: 64

約数和(自身を含む): 424080000

約数和(自身を除く): 259700120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 379, 758, 1516, 1549, 1895, 2653, 3032, 3098, 3790, 5306, 6196, 7580, 7745, 10612, 10843, 12392, 13265, 15160, 15490, 21224, 21686, 26530, 30980, 43372, 53060, 54215, 61960, 86744, 106120, 108430, 216860, 433720, 587071, 1174142, 2348284, 2935355, 4109497, 4696568, 5870710, 8218994, 11741420, 16437988, 20547485, 23482840, 32875976, 41094970, 82189940, 164379880]

約数ペア:

[(1, 164379880), (2, 82189940), (4, 41094970), (5, 32875976), (7, 23482840), (8, 20547485), (10, 16437988), (14, 11741420), (20, 8218994), (28, 5870710), (35, 4696568), (40, 4109497), (56, 2935355), (70, 2348284), (140, 1174142), (280, 587071), (379, 433720), (758, 216860), (1516, 108430), (1549, 106120), (1895, 86744), (2653, 61960), (3032, 54215), (3098, 53060), (3790, 43372), (5306, 30980), (6196, 26530), (7580, 21686), (7745, 21224), (10612, 15490), (10843, 15160), (12392, 13265)]